With the rapid growth of higher education, the application of network course is commonly seen nowadays. Nevertheless, such course is found to be in low efficiency, due to the fact that students could hardly be attracted to the course platform for a long -lasting period. Under such circumstances, the construction of networking course under the guidance of micro-lecture ideology is proposed and then implemented in the network course of steel structure, which embodies the essence of micro-lecture-refined contents, short periods, efficient study, definite projects and timely assessment.